PT-2020-19271 · WordPress · Ultimate Member

Published 2020-01-13 · Updated 2020-01-22 · CVE-2020-6859

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Ultimate Member plugin versions prior to 2.1.3

Description The issue allows remote attackers to change other users' profiles and cover photos via a modified user id parameter. This is related to ajax image upload and ajax resize image functions.

Recommendations For Ultimate Member plugin versions prior to 2.1.3, update to version 2.1.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the ajax image upload and ajax resize image functions to minimize the risk of exploitation. Avoid using the user id parameter in the affected API endpoints until the issue is resolved.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2020-6859

Affected Products

Ultimate Member

References · 7

• https://github.com/ultimatemember/ultimatemember/commit/249682559012734a4f7d71f52609b2f301ea55b1 · Patch
• https://osv.dev/vulnerability/CVE-2020-6859 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-6859 · Security Note
• https://wordpress.org/plugins/ultimate-member/#developers · Vendor Advisory
• https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L310 · Note
• https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L269 · Note
• https://wpvulndb.com/vulnerabilities/10041 · Note